KJS (software)

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Original author(s)Harri Porten
Initial release2000; 20 years ago (2000)
Stable release5.66.0 (January 11, 2020; 6 days ago (2020-01-11)) [±][1]
Preview release5.0 beta 3 (June 5, 2014; 5 years ago (2014-06-05)) [±][2]
Repository Edit this at Wikidata
Written inC++
TypeJavaScript engine

KJS is KDE's ECMAScript-JavaScript engine that was originally developed for the KDE project's Konqueror web browser by Harri Porten in 2000.

On June 13, 2002, Maciej Stachowiak announced on a mailing list that Apple was releasing JavaScriptCore, a framework for Mac OS X that was based on KJS.[3] Through the WebKit project, JavaScriptCore has since evolved into SquirrelFish Extreme, a JavaScript engine that compiles JavaScript into native machine code.


  1. ^ "Release of KDE Frameworks 5.66.0". KDE. January 11, 2020. Retrieved January 11, 2020.
  2. ^ "KDE Ships Third Beta of Frameworks 5". KDE. 2014-06-05.
  3. ^ Stachowiak, Maciej (2002-06-13). "[KDE-Darwin] JavaScriptCore, Apple's JavaScript framework based on KJS". opendarwin.org. Archived from the original on 2007-03-10. Retrieved 2015-05-13.

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